Question

4+5 1/4
1 3/5+2 2/3
3-5/7
3 2/5-3/5

Answer 1

4+ 5 1/4 = 9 1/4
1 3/5 + 2 2/3 = 8/5 + 8/3 = 24/15 + 40/15 = 64/15 = 4 4/15
17/5 - 3/5 = 14/5 = 2 4/5

Answer 2

нето

Answer 3

Я изменил